XGY   Grimsby Mountain, ON
Weather Observed At   43-11  N    79-34  W
 
*** AURBO GREEN WARNING IN EFFECT ***
  2026-05-15 4:30pm Max
Min
  Weather
----



  Temperature
19.2 °C
21.3 °C
  1:47pm
6.4 °C
  5:00am
  Relative Humidity
44 %
86 %
  3:24am
28 %
 12:36pm
  Dew Point
6.7 °C
7.2 °C
  2:18pm
1.1 °C
 12:04pm
  Wind Velocity
192 ° at  3.5 G 7.0 kt
11.3 kt
 12:02pm

  Pressure
    29.970 " 
30.015 "
  8:11am
29.951 "
  3:07am
  Rainfall Rate
0.0 mm/h 0.0 mm/h
 ----m

  Snow On Ground 0 cm

  Brightness / Darkness   294 W/m² /  0.00 m/"² 1049 W/m²
 12:30pm
  20.14 m/"²    2:47am
  Remarks
 
  RainfallToday
0.0 mm
Storm Total
0.0 mm
  SnowfallToday
0.0 cm
Storm Total
0.0 cm
  Evapotranspiration Today
-3.53 mm


  Lake Conditions
  Water Temperature  --- °C
  Waves  ---
ICE FREE

  Meteor Index
37   Eta Aquariids
  Aurora Index / Solar
108   Minor Storm   - 1 nT   Solar Flux   106  sfu  /   S 0    G 1    R 0   /  MUF   21.7 MHz
  Sunrise 5:55am
  Sunset 8:36pm

  Moonrise N/A
  Moonset N/A
  Moon Phase New Moon

Grimsby Mountain Weather Maps
Local Regional Area Synoptic

     
updated H+09 and every 10m updated H+19 and H+49
updated H+19

Ontario 6-Hour Meteorological Summary
Canadian 6-Hour Meteorological Summaries

CLIMAT Data
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EOF